Christopher James Huff wrote:
> But you can't continue to accumulate it indefinitely

Sure you can. You build oxygen and sugar from CO2 and H2O and photon 
energy, and then you dump the resulting high-energy chemical bonds into 
the environment. Someone else will eat it, and potentially emit more 
radiation than they absorbed.

Someone wrote "Truth: A body cannot reflect less light than is applied 
to it."  That particular statement is just not the truth without some 
qualifiers like "for a large enough body (but not too dense) over a long 
enough time." Radiation isn't conserved. Energy is conserved.

Granted, on something like a planet, the difference is likely to be small.

Follow-ups to off-topic.
-- 
Darren New, San Diego CA USA (PST)
   I am in geosynchronous orbit, supported by
   a quantum photon exchange drive....

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